Building a Hamburger Matten Filter (HMF) for an Aquarium : 4 Steps - Instructables

Building a Hamburger Matten Filter (HMF) for an Aquarium: I had read a lot about the Hamburger Matten Filter - from hereon referred to as HMF. The HMF is said to: - Be a cheap filter to install - Create a (very) large filtering surface for (good) filtering bacteria to do their work and therefore function …

How to make a Matten Filter

The HMF – What's That? — Seriously Fish

How a HMF (Hamburg matten filter) Works

HOW TO: easy DIY aquarium filter - Hamburg Mattenfilter - sponge filter TUTORIAL

HMF aquarium filtration - Ball Aquatics

8.7.3. Hamburg Matten Aquarium Filter

HMF aquarium filtration - Ball Aquatics

The HMF – What's That? — Seriously Fish

Aquarium Filter Series: 4/8: DIY Hamburg Matten Aquarium Filter

Building a Hamburger Matten Filter (HMF) for an Aquarium : 4 Steps - Instructables

Hamburg mat filter HMF guide - aquaristics

How to Make Your Own HMF (Hamburger Matten Filter)

The HMF – What's That? — Seriously Fish

Hamburger Mattenfilter HMF